<template>
    <el-card>
        <el-form :inline="true" class="form">
          <el-form-item label="职位搜索">
            <el-input placeholder="请输入你要搜索的职位关键字" v-model="keyword"></el-input>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" size="default" :disabled="keyword?false:true" @click="search">搜索</el-button>
            <el-button type="primary" size="default" @click="reset">重置</el-button>
          </el-form-item>
        </el-form>
    </el-card>

    <el-card style="margin:10px 0px;">
        <el-button type="primary" size="default" icon="Plus" @click='addRole'>添加职位</el-button>
        <el-table border style="margin:10px 0px;" :data="allRole">
          <el-table-column type="index" align="center" label="#"></el-table-column>
          <el-table-column label="id" align="center" prop="id"></el-table-column>
          <el-table-column label="职位名称" align="center" show-overflow-tooltip prop="roleName"></el-table-column>
          <el-table-column label="创建时间" align="center" show-overflow-tooltip prop="createTime"></el-table-column>
          <el-table-column label="更新时间" align="center" show-overflow-tooltip prop="updateTime"></el-table-column>
          <el-table-column label="操作" align="center" width="300px" show-overflow-tooltip>
            <template #="{row,index}">
                <el-button type="primary" size="small" icon="User" @click="setPermission(row)">分配权限</el-button>
                <el-button type="primary" size="small" icon="Edit"  @click="updateRole(row)">编辑</el-button>
                <el-popconfirm :title="`你确定要删除${row.roleName}?`" width="260px" @confirm="removeRole(row.id)">
                        <template #reference>
                            <el-button type="danger" size="small" icon="Delete">删除</el-button>
                        </template>
                    </el-popconfirm>
            </template>
          </el-table-column>
        </el-table>
         <el-pagination
            v-model:current-page="pageNo"
            v-model:page-size="pageSize"
            :page-sizes="[10, 20, 30, 40]"
            :background="true"
            layout="prev, pager, next, jumper,->,sizes,total"
            :total="total"
            @size-change="handleSizeChange"
            @current-change="getHasRole"
            />
    </el-card>
    <!-- 添加职位与更新已有职位的结构:对话框 -->
    <el-dialog v-model="dialogVisite" :title="RoleParams.id ? '更新职位' : '添加职位'">
        <el-form :model="RoleParams" :rules="rules" ref="form">
            <el-form-item label="职位名称" prop="roleName">
                <el-input placeholder="请输入职位名称" v-model="RoleParams.roleName"></el-input>
            </el-form-item>
        </el-form>
        <template #footer>
            <el-button type="primary" size="default" @click="dialogVisite = false">取消</el-button>
            <el-button type="primary" size="default" @click="save">确定</el-button>
        </template>
    </el-dialog>
    <!-- 抽屉组件:分配职位的菜单权限与按钮的权限 -->
    <el-drawer v-model="drawer">
        <template #header>
            <h4>分配菜单与按钮的权限</h4>
        </template>
        <template #default>
            <!-- 树形控件 --> 
            <el-tree ref="tree" :data="menuArr" show-checkbox node-key="id" default-expand-all
                :default-checked-keys="selectArr" :props="defaultProps" />
        </template>
        <template #footer>
            <div style="flex: auto">
                <el-button @click="drawer = false">取消</el-button>
                <el-button type="primary" @click="handler">确定</el-button>
            </div>
        </template>
    </el-drawer>
</template>

<script setup lang="ts">
import {ref,onMounted,reactive,nextTick} from 'vue';
import {reqAllRoleList,reqAddOrUpdateRole,reqRemoveRole,reqAllMenuList,reqSetPermission} from '@/api/acl/role';
import { RoleResponseData, Records, RoleData, MenuResponseData } from '../../../api/acl/role/type';
import useLayOutSettingStore from '@/store/modules/setting';
import { ElMessage } from 'element-plus';
let settingStore = useLayOutSettingStore();
let pageNo = ref<number>(1);
let pageSize = ref<number>(10);
let keyword = ref<string>('');

let allRole = ref<Records>([]);
let total = ref<number>(0);
let dialogVisite = ref<boolean>(false);
//获取form组件实例
let form = ref<any>();
let drawer = ref<boolean>(false);
//收集新增岗位数据
let RoleParams = reactive<RoleData>({
    roleName: ''
})
//准备一个数组:数组用于存储勾选的节点的ID(四级的)
let selectArr = ref<number[]>([]);
//定义数组存储用户权限的数据
let menuArr = ref<MenuList>([]);
let tree = ref<any>();
//组件挂载完毕
onMounted(() => {
    getHasRole();
});

const getHasRole = async (pager = 1)=>{
    pageNo.value = pager;
    let result:RoleResponseData = await reqAllRoleList(pageNo.value,pageSize.value,keyword.value);
    if(result.code == 200){
        total.value = result.data.total
        allRole.value = result.data.records
    }
}
const handleSizeChange = ()=>{
    getHasRole();
}

const search = () =>{
    getHasRole();
    keyword.value = '';
}

const reset = () =>{
    settingStore.refresh = !settingStore.refresh 
}

const addRole = () =>{
    dialogVisite.value = true;
    //清空数据
    Object.assign(RoleParams, {
        roleName: '',
        id: 0
    });
    //清空上一次表单校验错误结果
    nextTick(() => {
        form.value.clearValidate('roleName');
    })

}

const updateRole = (row:RoleData)=>{
    dialogVisite.value = true;
    Object.assign(RoleParams, row);
    //清空上一次表单校验错误结果
    nextTick(() => {
        form.value.clearValidate('roleName');
    })
}

const save = async ()=>{
    await form.value.validate();
    let result:any = await reqAddOrUpdateRole(RoleParams);
    if(result.code == 200){
        ElMessage({type:'success',message:RoleParams.id ?'更新成功':'添加成功'})
        dialogVisite.value = false;
        getHasRole(RoleParams.id ? pageNo.value : 1);
    }
}

const setPermission = async (row: RoleData) => {
    //抽屉显示出来
    drawer.value = true;
    //收集当前要分类权限的职位的数据
    Object.assign(RoleParams, row);
    //根据职位获取权限的数据
    let result: MenuResponseData = await reqAllMenuList((RoleParams.id as number));
    if (result.code == 200) {
        menuArr.value = result.data;
        selectArr.value = filterSelectArr(menuArr.value, []);
    }
}

const filterSelectArr = (data:any,initArr:any)=>{
    data.forEach((item:any) => {
        if(item.select && item.level == 4){
            initArr.push(item.id)
        }
        if(item.children && item.children.length > 0){
            filterSelectArr(item.children,initArr)
        }
    });
    return initArr;
}

const handler = async () => {
    //职位的ID
    const roleId = (RoleParams.id as number);
    //选中节点的ID
    let arr = tree.value.getCheckedKeys();
    //半选的ID
    let arr1 = tree.value.getHalfCheckedKeys();
    let permissionId = arr.concat(arr1);
    //下发权限
    let result: any = await reqSetPermission(roleId, permissionId);
    if (result.code == 200) {
        //抽屉关闭
        drawer.value = false;
        //提示信息
        ElMessage({ type: 'success', message: '分配权限成功' });
        //页面刷新
        window.location.reload();
    }
}

const validatorRoleName = (rule:any,value:any,callback:any)=>{
    if (value.trim().length >= 2) {
        callback();
    }
    else{
        callback(new Error('职位名称至少两位'));
    }
}
const rules = {
    roleName:[
        { required:true, trigger:'blur',validator:validatorRoleName}
    ]
}

//树形控件的测试数据
const defaultProps = {
    children: 'children',
    label: 'name',
}

const removeRole = async (id: number) => {
    let result: any = await reqRemoveRole(id);
    if (result.code == 200) {
        //提示信息
        ElMessage({ type: 'success', message: '删除成功' });
        getHasRole(allRole.value.length > 1 ? pageNo.value : pageNo.value - 1);
    }
}
</script>

<style scoped>
.form{
    display:flex;
    justify-content:space-between;
    align-items:center;
    height:50px;
}
</style>